Bespoke Engineering Solutions in the Heart of South Yorkshire.
From concept to creation, repairs to prototypes. If you need it made, One Off Engineering can build it.
Accredited CE approved supplier
Core Engineering Services
Structural Steel
Precision-engineered frameworks designed for strength and architectural integrity.
Secondary Steel
Supporting components and robust structural additions tailored to your build.
Site Services
Expert on-site management, welding, and technical support where you need it.
Installations
Professional, seamless integration of engineered components by our specialist team.
Access Steel
Safe and durable bespoke stairs, ladders, and ramps built to exacting standards.
Handrails
Functional safety meets sleek design with custom-fabricated handrail systems.
Balustrades
High-quality aesthetic finishes for internal and external elevated spaces.
Bespoke Gates
Unique, secure, and handcrafted entrances designed to make a lasting impression.
Bespoke Fences
Custom perimeter solutions that balance superior security with architectural style.
General Fabrications
Versatile metalwork solutions crafted to solve your specific engineering challenges.
Alterations
Expert modifications and structural adjustments to existing steelwork and machinery.
Steel Frame Composite Gates
The ultimate blend of structural steel durability and modern, low-maintenance privacy.
Composite Fencing
High-performance, weather-resistant perimeter solutions with a sleek, contemporary finish.

Welcome to One Off Engineering.
For three decades, One Off Engineering has been the go-to workshop for bespoke solutions in South Yorkshire. We specialise in precision machining, fabrication, and custom metalwork.
Whether you are an industrial client needing a critical machine part repaired or an individual with a custom design in mind, we offer skilled craftsmanship with a personal touch.
Client Testimonials
30 Years of Engineering Excellence in Barnsley
Delivering high-quality bespoke metalwork, rapid repairs, and practical engineering advice to local businesses and individuals for three decades.
No Job Too Small, No Challenge Too Complex Many engineering firms in South Yorkshire focus solely on high-volume production runs. At One Off Engineering, we take a different approach. We are dedicated to the unique, the obsolete, and the urgent. Whether you need CNC turning and milling for a single prototype or manual machining for a vintage machine part that is no longer in production, we are here to help.
We combine traditional manual skills with modern techniques to offer comprehensive metal fabrication and welding services. From aluminium and stainless steel to mild steel and engineering plastics, our Barnsley workshop is stocked and ready to handle your materials.







